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US Patent: 198,759
Devices For Compressing Rubbers In Thill-Couplings
Shaft-Coupling Fulcrum
Patentee:
Henry U. Upjohn - Kalamazoo, MI

USPTO Classifications:
254/28.5

Tool Categories:
combination tools
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Millie K. Upjohn
O. F. Coleman

Patent Dates:
Applied: Feb. 28, 1877
Granted: Jan. 01, 1878

Patent Pictures:
Henry U. Upjohn patent January 1, 1878
USPTO pdf tiff
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Description:
This "Y" shaped device when used with the metal pin shown in the drawings provides a fulcrum for pushing the base of carriage poles (thills) against an anti-rattling compressible block. The bottom part of the "Y" is an axle nut wrench socket that doubles as a hook.

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